Possible Clues:

• Stable's water source and cable repaired
• Sensible
• Source from stable is really on the level
• Like an acrobat on a high wire? (2 words)
• Not suffering from vertigo in stable condition
• Different types of shaft — one's rotten at the edges, even
• Fit criminal holding weapon — outcome so undecided?
• Like the best meals (2 words)
• . . . of equal weight, that's sensible
• Emotionally stable